I made an infrared speedometer with reference to online information. During the test, I did not measure the speed of the object. If anyone is familiar with infrared, please add my QQ: 473616022, or le...
I want to use external interrupts in the SPI driver. My idea is this: Enable interrupts in SPI_INIT and specify the interrupt processing function entry. In this case, if the SPI driver has been added,...
I have been engaged in electrical equipment procurement for many years. More and more colleagues have joined me, but I have been lukewarm for many years. How can I stand out?...
[i=s] This post was last posted by babyking on 2016-6-20 11:39 Edit Lesson 24: I2C Driver and Application Development (I)[/align][align=left][font=宋体](I) Introduction to I2C bus[/font][/align][align=l...
[i=s]This post was last edited by spacexplorer on 2014-7-2 17:44[/i] [backcolor=rgb(255, 255, 255)][font=Verdana][size=14px][align=left]The application for the development board is posted here: [color...
I'm a newbie asking for advice. What's the function of the potentiometer between +12V and -12V in the picture? What's the function of the red circuit? I'd like some advice from the experts!...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]